Mark 13:14, 19-20

“But when you see the ABOMINATION OF DESOLATION standing where it should not be (let the reader understand), then those who are in Judea must flee to the mountains.

For those days will be a time of tribulation such as has not occurred since the beginning of the creation which God created until now, and never will. Unless the Lord had shortened those days, no life would have been saved; but for the sake of the elect, whom He chose, He shortened the days.